*{
    border: 0;
    margin: 0;
    padding: 0;
}

header{
    color:yellow;
    text-align: center;
    font-size: 20px;
    margin: 20px;
    padding: 20px;  
}

body{ 
    background-image: url(web_background.jpg);
    background-repeat:no-repeat;
	background-size: cover;
	background-attachment: fixed;
}


.nombre  {
    width: 20em;
    background-color: white;
    margin: auto;
    margin-top: 10px;
    width:100%;
    height: auto;
    
}

.nombre:hover   {
background-color: white;
}


.contenedor{
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.video-youtube{
    height: 0;
    outline: 1px solid red;
    padding-bottom: 56.25%;
    padding-top: 25%;
    position: relative;
    width: 100%;
}
.video-youtube iframe{
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    
    
}

h1{
    
    margin:10px;
    background-color: crimson;
    
}


h2{
    font-size: 45px;
    background-color: crimson;
    color: yellow;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 10px;
}

h3{
    font-size: 20px;
    font-style: italic;
    color: yellow;
    text-align: center;
    background-color: crimson
        
}

div{
    background-color
    border-width: 30px;
    border-color: yellow;
    padding: 0;
    border: 1;
    margin right: 0px;
    margin-left: 0px;
}
p{
    background-color: aliceblue;
    color: black;
    text-align: center;
    font-size: 20px;
    margin-top: 10px;
    
    
}



figure{
  margin: auto;
    background-color: crimson;
    width: 100%;
    text-align: center;
    height: auto;
}

figure img{
    max-width: 100%;
    box-sizing: border-box;
    
    
    
}

.logo{
    background-color: coral;
}

.epigrafe{
    margin-bottom: 10px;
    
}


/****FLEX******/

.centro {
 display: flex;
    flex-direction: column;
    justify-content: center;
     align-items: center;
 align-content: stretch;
}